What is CVE-2017-14746?

CVE-2017-14746 is a critical-severity software vulnerability (Use-after-free) with a CVSS score of 9.8. Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

Is CVE-2017-14746 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 10%.

What products does CVE-2017-14746 affect?

Tracked products affected include Ubuntu, Samba. Check the version you run to see whether it is affected.

How do I fix CVE-2017-14746?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

← All products

CVE-2017-14746

CRITICAL severity · CVSS 9.8 · Use-after-free

9.8CVSS CRITICAL

Summary

Use-after-free vulnerability in Samba 4.x before 4.7.3 allows remote attackers to execute arbitrary code via a crafted SMB1 request.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)10%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (2)

Ubuntu Samba

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://www.securityfocus.com/bid/101907Advisory
http://www.securitytracker.com/id/1039856Advisory
http://www.ubuntu.com/usn/USN-3486-1Advisory
https://access.redhat.com/errata/RHSA-2017:3260Advisory
https://access.redhat.com/errata/RHSA-2017:3261Advisory
https://access.redhat.com/errata/RHSA-2017:3278Advisory
https://security.gentoo.org/glsa/201805-07Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03817en_usAdvisory